NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2008055 SUBJ: SVN25 (PRN25) FORECAST OUTAGE SUMMARY JDAY 159/1726 - JDAY 159/2005 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2008055 NANU DTG: 072008Z JUN 2008 REFERENCE NANU: 2008051 REF NANU DTG: 021944Z JUN 2008 SVN: 25 PRN: 25 START JDAY: 159 START TIME ZULU: 1726 START CALENDAR DATE: 07 JUN 2008 STOP JDAY: 159 STOP TIME ZULU: 2005 STOP CALENDAR DATE: 07 JUN 2008 2. CONDITION: GPS SATELLITE SVN25 (PRN25) WAS UNUSABLE ON JDAY 159 (07 JUN 2008) BEGINNING 1726 ZULU UNTIL JDAY 159 (07 JUN 2008) ENDING 2005 ZULU. 3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTP://WWW.NAVCEN.USCG.GOV MILITARY - GPS OPERATIONS CENTER at HTTP://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541, COMM 719-567-2541, gps_support@schriever.af.mil, HTTP://gps.afspc.af.mil MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-9994, COMM 805-606-9994, JSPOCCOMBATOPS@VANDENBERG.AF.MIL